code: def sync(device: str) -> None:
      if device == "cuda":
          torch.cuda.synchronize()
  
file_path: sru/test/test_amp.py
imports: import pytest
  import sru
  from typing import Any
  import time
  import torch
  from torch import optim
  import contextlib
label_desc: Use image node_id 1 for calling a global function with example usage: sync(device) without return types